Home / 890,233.32-1,335,351.68-216,315.20

Finding the Fourth Proportional to 890,233.32, 1,335,351.68 and 216,315.20

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Solution

The fourth proportional to 890,233.32, 1,335,351.68 and 216,315.20 is: 324,473.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,233.32 : 1,335,351.68 = 216,315.20 : x
  2. Step 2: Convert to fraction form
    890,233.32/1,335,351.68 = 216,315.20/x
  3. Step 3: Cross multiply
    890,233.32x = 1,335,351.68 × 216,315.20
  4. Step 4: Simplify right side
    890,233.32x = 288,856,865,729.54
  5. Step 5: Solve for x
    x = 288,856,865,729.54/890,233.32
  6. Step 6: Final answer
    x = 324,473.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.